ghc/docs/users_guide/flags.xml

   1 <?xml version="1.0" encoding="iso-8859-1"?>
   2   <sect1 id="flag-reference">
   3     <title>Flag reference</title>
   4
   5     <para>This section is a quick-reference for GHC's command-line
   6     flags.  For each flag, we also list its static/dynamic status (see
   7     <xref linkend="static-dynamic-flags"/>), and the flag's opposite
   8     (if available).</para>
   9
  10     <sect2>
  11       <title>Help and verbosity options (<xref linkend="options-help"/>)</title>
  12
  13       <informaltable>
  14         <tgroup cols="3" align="left" colsep="1" rowsep="1">
  15           <thead>
  16             <row>
  17               <entry>Flag</entry>
  18               <entry>Description</entry>
  19               <entry>Static/Dynamic</entry>
  20               <entry>Reverse</entry>
  21             </row>
  22           </thead>
  23           <tbody>
  24             <row>
  25               <entry><option>-?</option></entry>
  26               <entry>help</entry>
  27               <entry>static</entry>
  28               <entry>-</entry>
  29             </row>
  30             <row>
  31               <entry><option>-help</option></entry>
  32               <entry>help</entry>
  33               <entry>static</entry>
  34               <entry>-</entry>
  35             </row>
  36             <row>
  37               <entry><option>-v</option></entry>
  38               <entry>verbose mode (equivalent to <option>-v3</option>)</entry>
  39               <entry>dynamic</entry>
  40               <entry>-</entry>
  41             </row>
  42             <row>
  43               <entry><option>-v</option><replaceable>n</replaceable></entry>
  44               <entry>set verbosity level</entry>
  45               <entry>dynamic</entry>
  46               <entry>-</entry>
  47             </row>
  48             <row>
  49               <entry><option>-V</option></entry>
  50               <entry>display GHC version</entry>
  51               <entry>static</entry>
  52               <entry>-</entry>
  53             </row>
  54             <row>
  55               <entry><option>&ndash;&ndash;version</option></entry>
  56               <entry>display GHC version</entry>
  57               <entry>static</entry>
  58               <entry>-</entry>
  59             </row>
  60             <row>
  61               <entry><option>&ndash;&ndash;numeric-version</option></entry>
  62               <entry>display GHC version (numeric only)</entry>
  63               <entry>static</entry>
  64               <entry>-</entry>
  65             </row>
  66             <row>
  67               <entry><option>&ndash;&ndash;print-libdir</option></entry>
  68               <entry>display GHC library directory</entry>
  69               <entry>static</entry>
  70               <entry>-</entry>
  71             </row>
  72             <row>
  73               <entry><option>-ferror-spans</option></entry>
  74               <entry>output full span in error messages</entry>
  75               <entry>static</entry>
  76               <entry>-</entry>
  77             </row>
  78           </tbody>
  79         </tgroup>
  80       </informaltable>
  81
  82     </sect2>
  83     <sect2>
  84       <title>Which phases to run (<xref linkend="options-order"/>)</title>
  85
  86       <informaltable>
  87         <tgroup cols="3" align="left" colsep="1" rowsep="1">
  88           <thead>
  89             <row>
  90               <entry>Flag</entry>
  91               <entry>Description</entry>
  92               <entry>Static/Dynamic</entry>
  93               <entry>Reverse</entry>
  94             </row>
  95           </thead>
  96           <tbody>
  97             <row>
  98               <entry><option>-E</option></entry>
  99               <entry>Stop after preprocessing (<literal>.hspp</literal> file)</entry>
 100               <entry>static</entry>
 101               <entry>-</entry>
 102             </row>
 103             <row>
 104               <entry><option>-C</option></entry>
 105               <entry>Stop after generating C (<literal>.hc</literal> file)</entry>
 106               <entry>static</entry>
 107               <entry>-</entry>
 108             </row>
 109             <row>
 110               <entry><option>-S</option></entry>
 111               <entry>Stop after generating assembly (<literal>.s</literal> file)</entry>
 112               <entry>static</entry>
 113               <entry>-</entry>
 114             </row>
 115             <row>
 116               <entry><option>-c</option></entry>
 117               <entry>Stop after compiling to object code (<literal>.o</literal> file)</entry>
 118               <entry>static</entry>
 119               <entry>-</entry>
 120             </row>
 121           </tbody>
 122         </tgroup>
 123       </informaltable>
 124     </sect2>
 125
 126     <sect2>
 127       <title>Redirecting output (<xref linkend="options-output"/>)</title>
 128
 129       <informaltable>
 130         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 131           <thead>
 132             <row>
 133               <entry>Flag</entry>
 134               <entry>Description</entry>
 135               <entry>Static/Dynamic</entry>
 136               <entry>Reverse</entry>
 137             </row>
 138           </thead>
 139           <tbody>
 140             <row>
 141               <entry><option>-hcsuf</option> <replaceable>suffix</replaceable></entry>
 142               <entry>set the suffix to use for intermediate C files</entry>
 143               <entry>static</entry>
 144               <entry>-</entry>
 145             </row>
 146             <row>
 147               <entry><option>-hidir</option> <replaceable>dir</replaceable></entry>
 148               <entry>set directory for interface files</entry>
 149               <entry>static</entry>
 150               <entry>-</entry>
 151             </row>
 152             <row>
 153               <entry><option>-hisuf</option> <replaceable>suffix</replaceable></entry>
 154               <entry>set the suffix to use for interface files</entry>
 155               <entry>static</entry>
 156               <entry>-</entry>
 157             </row>
 158             <row>
 159               <entry><option>-o</option> <replaceable>filename</replaceable></entry>
 160               <entry>set output filename</entry>
 161               <entry>static</entry>
 162               <entry>-</entry>
 163             </row>
 164             <row>
 165               <entry><option>-odir</option> <replaceable>dir</replaceable></entry>
 166               <entry>set output directory</entry>
 167               <entry>static</entry>
 168               <entry>-</entry>
 169             </row>
 170             <row>
 171               <entry><option>-ohi</option> <replaceable>filename</replaceable></entry>
 172               <entry>set the filename in which to put the interface</entry>
 173               <entry>static</entry>
 174               <entry></entry>
 175             </row>
 176             <row>
 177               <entry><option>-osuf</option> <replaceable>suffix</replaceable></entry>
 178               <entry>set the output file suffix</entry>
 179               <entry>static</entry>
 180               <entry>-</entry>
 181             </row>
 182           </tbody>
 183         </tgroup>
 184       </informaltable>
 185     </sect2>
 186
 187     <sect2>
 188       <title>Keeping intermediate files (<xref linkend="keeping-intermediates"/>)</title>
 189
 190       <informaltable>
 191         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 192           <thead>
 193             <row>
 194               <entry>Flag</entry>
 195               <entry>Description</entry>
 196               <entry>Static/Dynamic</entry>
 197               <entry>Reverse</entry>
 198             </row>
 199           </thead>
 200           <tbody>
 201             <row>
 202               <entry><option>-keep-hc-file</option></entry>
 203               <entry>retain intermediate <literal>.hc</literal> files</entry>
 204               <entry>static</entry>
 205               <entry>-</entry>
 206             </row>
 207             <row>
 208               <entry><option>-keep-s-file</option></entry>
 209               <entry>retain intermediate <literal>.s</literal> files</entry>
 210               <entry>static</entry>
 211               <entry>-</entry>
 212             </row>
 213             <row>
 214               <entry><option>-keep-raw-s-file</option></entry>
 215               <entry>retain intermediate <literal>.raw_s</literal> files</entry>
 216               <entry>static</entry>
 217               <entry>-</entry>
 218             </row>
 219             <row>
 220               <entry><option>-keep-tmp-files</option></entry>
 221               <entry>retain all intermediate temporary files</entry>
 222               <entry>static</entry>
 223               <entry>-</entry>
 224             </row>
 225           </tbody>
 226         </tgroup>
 227       </informaltable>
 228     </sect2>
 229
 230     <sect2>
 231       <title>Temporary files (<xref linkend="temp-files"/>)</title>
 232
 233       <informaltable>
 234         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 235           <thead>
 236             <row>
 237               <entry>Flag</entry>
 238               <entry>Description</entry>
 239               <entry>Static/Dynamic</entry>
 240               <entry>Reverse</entry>
 241             </row>
 242           </thead>
 243           <tbody>
 244             <row>
 245               <entry><option>-tmpdir</option></entry>
 246               <entry>set the directory for temporary files</entry>
 247               <entry>static</entry>
 248               <entry>-</entry>
 249             </row>
 250           </tbody>
 251         </tgroup>
 252       </informaltable>
 253     </sect2>
 254
 255     <sect2>
 256       <title>Finding imports (<xref linkend="search-path"/>)</title>
 257
 258       <informaltable>
 259         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 260           <thead>
 261             <row>
 262               <entry>Flag</entry>
 263
 264               <entry>Description</entry>
 265               <entry>Static/Dynamic</entry>
 266               <entry>Reverse</entry>
 267             </row>
 268           </thead>
 269           <tbody>
 270             <row>
 271               <entry><option>-i</option><replaceable>dir1</replaceable>:<replaceable>dir2</replaceable>:...</entry>
 272               <entry>add <replaceable>dir</replaceable>,
 273                   <replaceable>dir2</replaceable>, etc. to import path</entry>
 274               <entry>static</entry>
 275               <entry>-</entry>
 276             </row>
 277             <row>
 278               <entry><option>-i</option></entry>
 279               <entry>Empty the import directory list</entry>
 280               <entry>static</entry>
 281               <entry>-</entry>
 282             </row>
 283           </tbody>
 284         </tgroup>
 285       </informaltable>
 286     </sect2>
 287
 288     <sect2>
 289       <title>Interface file options (<xref linkend="hi-options"/>)</title>
 290
 291       <informaltable>
 292         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 293           <thead>
 294             <row>
 295               <entry>Flag</entry>
 296
 297               <entry>Description</entry>
 298               <entry>Static/Dynamic</entry>
 299               <entry>Reverse</entry>
 300             </row>
 301           </thead>
 302           <tbody>
 303             <row>
 304               <entry><option>-ddump-hi</option></entry>
 305               <entry>Dump the new interface to stdout</entry>
 306               <entry>dynamic</entry>
 307               <entry>-</entry>
 308             </row>
 309             <row>
 310               <entry><option>-ddump-hi-diffs</option></entry>
 311               <entry>Show the differences vs. the old interface</entry>
 312               <entry>dynamic</entry>
 313               <entry>-</entry>
 314             </row>
 315             <row>
 316               <entry><option>-ddump-minimal-imports</option></entry>
 317               <entry>Dump a minimal set of imports</entry>
 318               <entry>dynamic</entry>
 319               <entry>-</entry>
 320             </row>
 321             <row>
 322               <entry><option>--show-iface</option> <replaceable>file</replaceable></entry>
 323               <entry>Read the interface in
 324               <replaceable>file</replaceable> and dump it as text to
 325               <literal>stdout</literal>.</entry>
 326               <entry>static</entry>
 327               <entry>-</entry>
 328             </row>
 329           </tbody>
 330         </tgroup>
 331       </informaltable>
 332     </sect2>
 333
 334     <sect2>
 335       <title>Recompilation checking (<xref linkend="recomp"/>)</title>
 336
 337       <informaltable>
 338         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 339           <thead>
 340             <row>
 341               <entry>Flag</entry>
 342
 343               <entry>Description</entry>
 344               <entry>Static/Dynamic</entry>
 345               <entry>Reverse</entry>
 346             </row>
 347           </thead>
 348           <tbody>
 349             <row>
 350               <entry><option>-no-recomp</option></entry>
 351               <entry>Turn off recompilation checking</entry>
 352               <entry>static</entry>
 353               <entry><option>-recomp</option></entry>
 354             </row>
 355           </tbody>
 356         </tgroup>
 357       </informaltable>
 358     </sect2>
 359
 360     <sect2>
 361       <title>Interactive-mode options (<xref linkend="ghci-dot-files"/>)</title>
 362
 363       <informaltable>
 364         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 365           <thead>
 366             <row>
 367               <entry>Flag</entry>
 368               <entry>Description</entry>
 369               <entry>Static/Dynamic</entry>
 370               <entry>Reverse</entry>
 371             </row>
 372           </thead>
 373           <tbody>
 374             <row>
 375               <entry><option>-ignore-dot-ghci</option></entry>
 376               <entry>Disable reading of <filename>.ghci</filename> files</entry>
 377               <entry>static</entry>
 378               <entry>-</entry>
 379             </row>
 380             <row>
 381               <entry><option>-read-dot-ghci</option></entry>
 382               <entry>Enable reading of <filename>.ghci</filename> files</entry>
 383               <entry>static</entry>
 384               <entry>-</entry>
 385             </row>
 386           </tbody>
 387         </tgroup>
 388       </informaltable>
 389     </sect2>
 390
 391     <sect2>
 392       <title>Packages (<xref linkend="packages"/>)</title>
 393       <informaltable>
 394         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 395           <thead>
 396             <row>
 397               <entry>Flag</entry>
 398               <entry>Description</entry>
 399               <entry>Static/Dynamic</entry>
 400               <entry>Reverse</entry>
 401             </row>
 402           </thead>
 403           <tbody>
 404             <row>
 405               <entry><option>-package</option> <replaceable>name</replaceable></entry>
 406               <entry>Use package <replaceable>name</replaceable></entry>
 407               <entry>static</entry>
 408               <entry>-</entry>
 409             </row>
 410             <row>
 411               <entry><option>-package-conf</option> <replaceable>file</replaceable></entry>
 412               <entry>Load more packages from <replaceable>file</replaceable></entry>
 413               <entry>static</entry>
 414               <entry>-</entry>
 415             </row>
 416             <row>
 417               <entry><option>-package-name</option> <replaceable>name</replaceable></entry>
 418               <entry>Compile code for package <replaceable>name</replaceable></entry>
 419               <entry>static</entry>
 420               <entry>-</entry>
 421             </row>
 422           </tbody>
 423         </tgroup>
 424       </informaltable>
 425     </sect2>
 426
 427     <sect2>
 428       <title>Language options (<xref linkend="options-language"/>)</title>
 429
 430       <informaltable>
 431         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 432           <thead>
 433             <row>
 434               <entry>Flag</entry>
 435               <entry>Description</entry>
 436               <entry>Static/Dynamic</entry>
 437               <entry>Reverse</entry>
 438             </row>
 439           </thead>
 440           <tbody>
 441             <row>
 442               <entry><option>-fallow-overlapping-instances</option></entry>
 443               <entry>Enable overlapping instances</entry>
 444               <entry>dynamic</entry>
 445               <entry><option>-fno-allow-overlapping-instances</option></entry>
 446             </row>
 447             <row>
 448               <entry><option>-farrows</option></entry>
 449               <entry>Enable arrow notation extension</entry>
 450               <entry>dynamic</entry>
 451               <entry><option>-fno-arrows</option></entry>
 452             </row>
 453             <row>
 454               <entry><option>-fallow-undecidable-instances</option></entry>
 455               <entry>Enable undecidable instances</entry>
 456               <entry>dynamic</entry>
 457               <entry><option>-fno-allow-undecidable-instances</option></entry>
 458             </row>
 459             <row>
 460               <entry><option>-fcontext-stack</option><replaceable>n</replaceable></entry>
 461               <entry>set the limit for context reduction</entry>
 462               <entry>static</entry>
 463               <entry><option>-</option></entry>
 464             </row>
 465             <row>
 466               <entry><option>-ffi</option> or <option>-fffi</option></entry>
 467               <entry>Enable foreign function interface (implied by
 468               <option>-fglasgow-exts</option>)</entry>
 469               <entry>dynamic</entry>
 470               <entry><option>-fno-ffi</option></entry>
 471             </row>
 472             <row>
 473               <entry><option>-fgenerics</option></entry>
 474               <entry>Enable generics</entry>
 475               <entry>dynamic</entry>
 476               <entry><option>-fno-fgenerics</option></entry>
 477             </row>
 478             <row>
 479               <entry><option>-fglasgow-exts</option></entry>
 480               <entry>Enable most language extensions</entry>
 481               <entry>dynamic</entry>
 482               <entry><option>-fno-glasgow-exts</option></entry>
 483             </row>
 484             <row>
 485               <entry><option>-fignore-asserts</option></entry>
 486               <entry>Ignore assertions</entry>
 487               <entry>dynamic</entry>
 488               <entry><option>-fno-ignore-asserts</option></entry>
 489             </row>
 490             <row>
 491               <entry><option>-fimplicit-params</option></entry>
 492               <entry>Enable Implicit Parameters</entry>
 493               <entry>dynamic</entry>
 494               <entry><option>-fno-implicit-params</option></entry>
 495             </row>
 496             <row>
 497               <entry><option>-firrefutable-tuples</option></entry>
 498               <entry>Make tuple pattern matching irrefutable</entry>
 499               <entry>dynamic</entry>
 500               <entry><option>-fno-irrefutable-tuples</option></entry>
 501             </row>
 502             <row>
 503               <entry><option>-fno-implicit-prelude</option></entry>
 504               <entry>Don't implicitly <literal>import Prelude</literal></entry>
 505               <entry>dynamic</entry>
 506               <entry>-</entry>
 507             </row>
 508             <row>
 509               <entry><option>-fno-monomorphism-restriction</option></entry>
 510               <entry>Disable the monomorphism restriction</entry>
 511               <entry>dynamic</entry>
 512               <entry><option>-</option></entry>
 513             </row>
 514             <row>
 515               <entry><option>-fth</option></entry>
 516               <entry>Enable Template Haskell</entry>
 517               <entry>dynamic</entry>
 518               <entry><option>-fno-th</option></entry>
 519             </row>
 520           </tbody>
 521         </tgroup>
 522       </informaltable>
 523     </sect2>
 524
 525     <sect2>
 526       <title>Warnings (<xref linkend="options-sanity"/>)</title>
 527
 528     <informaltable>
 529       <tgroup cols="3" align="left" colsep="1" rowsep="1">
 530         <thead>
 531           <row>
 532             <entry>Flag</entry>
 533             <entry>Description</entry>
 534             <entry>Static/Dynamic</entry>
 535             <entry>Reverse</entry>
 536           </row>
 537         </thead>
 538         <tbody>
 539           <row>
 540             <entry><option>-W</option></entry>
 541             <entry>enable normal warnings</entry>
 542             <entry>dynamic</entry>
 543             <entry><option>-w</option></entry>
 544           </row>
 545           <row>
 546             <entry><option>-w</option></entry>
 547             <entry>disable all warnings</entry>
 548             <entry>dynamic</entry>
 549             <entry>-</entry>
 550           </row>
 551           <row>
 552             <entry><option>-Wall</option></entry>
 553             <entry>enable all warnings</entry>
 554             <entry>dynamic</entry>
 555             <entry><option>-w</option></entry>
 556           </row>
 557           <row>
 558             <entry><option>-Werror</option></entry>
 559             <entry>make warnings fatal</entry>
 560             <entry>dynamic</entry>
 561             <entry></entry>
 562           </row>
 563
 564           <row>
 565             <entry><option>-fwarn-deprecations</option></entry>
 566             <entry>warn about uses of functions &amp; types that are deprecated</entry>
 567             <entry>dynamic</entry>
 568             <entry><option>-fno-warn-deprecations</option></entry>
 569           </row>
 570
 571           <row>
 572             <entry><option>-fwarn-duplicate-exports</option></entry>
 573             <entry>warn when an entity is exported multiple times</entry>
 574             <entry>dynamic</entry>
 575             <entry><option>-fno-warn-duplicate-exports</option></entry>
 576           </row>
 577
 578           <row>
 579             <entry><option>-fwarn-hi-shadowing</option></entry>
 580             <entry>warn when a <literal>.hi</literal> file in the
 581             current directory shadows a library</entry>
 582             <entry>dynamic</entry>
 583             <entry><option>-fno-warn-hi-shadowing</option></entry>
 584           </row>
 585
 586           <row>
 587             <entry><option>-fwarn-incomplete-patterns</option></entry>
 588             <entry>warn when a pattern match could fail</entry>
 589             <entry>dynamic</entry>
 590             <entry><option>-fno-warn-incomplete-patterns</option></entry>
 591           </row>
 592
 593           <row>
 594             <entry><option>-fwarn-incomplete-record-updates</option></entry>
 595             <entry>warn when a record update could fail</entry>
 596             <entry>dynamic</entry>
 597             <entry><option>-fno-warn-incomplete-record-updates</option></entry>
 598           </row>
 599
 600           <row>
 601             <entry><option>-fwarn-misc</option></entry>
 602             <entry>enable miscellaneous warnings</entry>
 603             <entry>dynamic</entry>
 604             <entry><option>-fno-warn-misc</option></entry>
 605           </row>
 606
 607           <row>
 608             <entry><option>-fwarn-missing-fields</option></entry>
 609             <entry>warn when fields of a record are uninitialised</entry>
 610             <entry>dynamic</entry>
 611             <entry><option>-fno-warn-missing-fields</option></entry>
 612           </row>
 613
 614           <row>
 615             <entry><option>-fwarn-missing-methods</option></entry>
 616             <entry>warn when class methods are undefined</entry>
 617             <entry>dynamic</entry>
 618             <entry><option>-fno-warn-missing-methods</option></entry>
 619           </row>
 620
 621           <row>
 622             <entry><option>-fwarn-missing-signatures</option></entry>
 623             <entry>warn about top-level functions without signatures</entry>
 624             <entry>dynamic</entry>
 625             <entry><option>-fno-warn-missing-signatures</option></entry>
 626           </row>
 627
 628           <row>
 629             <entry><option>-fwarn-name-shadowing</option></entry>
 630             <entry>warn when names are shadowed</entry>
 631             <entry>dynamic</entry>
 632             <entry><option>-fno-warn-name-shadowing</option></entry>
 633           </row>
 634
 635           <row>
 636             <entry><option>-fwarn-overlapping-patterns</option></entry>
 637             <entry>warn about overlapping patterns</entry>
 638             <entry>dynamic</entry>
 639             <entry><option>-fno-warn-overlapping-patterns</option></entry>
 640           </row>
 641
 642           <row>
 643             <entry><option>-fwarn-simple-patterns</option></entry>
 644             <entry>warn about lambda-patterns that can fail</entry>
 645             <entry>dynamic</entry>
 646             <entry><option>-fno-warn-simple-patterns</option></entry>
 647           </row>
 648
 649           <row>
 650             <entry><option>-fwarn-type-defaults</option></entry>
 651             <entry>warn when defaulting happens</entry>
 652             <entry>dynamic</entry>
 653             <entry><option>-fno-warn-type-defaults</option></entry>
 654           </row>
 655
 656           <row>
 657             <entry><option>-fwarn-unused-binds</option></entry>
 658             <entry>warn about bindings that are unused</entry>
 659             <entry>dynamic</entry>
 660             <entry><option>-fno-warn-unused-binds</option></entry>
 661           </row>
 662
 663           <row>
 664             <entry><option>-fwarn-unused-imports</option></entry>
 665             <entry>warn about unnecessary imports</entry>
 666             <entry>dynamic</entry>
 667             <entry><option>-fno-warn-unused-imports</option></entry>
 668           </row>
 669
 670           <row>
 671             <entry><option>-fwarn-unused-matches</option></entry>
 672             <entry>warn about variables in patterns that aren't used</entry>
 673             <entry>dynamic</entry>
 674             <entry><option>-fno-warn-unused-matches</option></entry>
 675           </row>
 676
 677           </tbody>
 678         </tgroup>
 679       </informaltable>
 680
 681     </sect2>
 682     <sect2>
 683       <title>Optimisation levels (<xref linkend="options-optimise"/>)</title>
 684
 685       <informaltable>
 686         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 687           <thead>
 688             <row>
 689               <entry>Flag</entry>
 690               <entry>Description</entry>
 691               <entry>Static/Dynamic</entry>
 692               <entry>Reverse</entry>
 693             </row>
 694           </thead>
 695           <tbody>
 696             <row>
 697               <entry><option>-O</option></entry>
 698               <entry>Enable default optimisation (level 1)</entry>
 699               <entry>dynamic</entry>
 700               <entry><option>-O0</option></entry>
 701             </row>
 702             <row>
 703               <entry><option>-O</option><replaceable>n</replaceable></entry>
 704               <entry>Set optimisation level <replaceable>n</replaceable></entry>
 705               <entry>dynamic</entry>
 706               <entry><option>-O0</option></entry>
 707             </row>
 708           </tbody>
 709         </tgroup>
 710       </informaltable>
 711
 712     </sect2>
 713     <sect2>
 714       <title>Individual optimisations (<xref linkend="options-f"/>)</title>
 715
 716       <informaltable>
 717         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 718           <thead>
 719             <row>
 720               <entry>Flag</entry>
 721               <entry>Description</entry>
 722               <entry>Static/Dynamic</entry>
 723               <entry>Reverse</entry>
 724             </row>
 725           </thead>
 726           <tbody>
 727             <row>
 728               <entry><option>-fcase-merge</option></entry>
 729               <entry>Enable case-merging</entry>
 730               <entry>dynamic</entry>
 731               <entry><option>-fno-case-merge</option></entry>
 732             </row>
 733
 734             <row>
 735               <entry><option>-fdicts-strict</option></entry>
 736               <entry>Make dictionaries strict</entry>
 737               <entry>static</entry>
 738               <entry><option>-fno-dicts-strict</option></entry>
 739             </row>
 740
 741             <row>
 742               <entry><option>-fdo-eta-reduction</option></entry>
 743               <entry>Enable eta-reduction</entry>
 744               <entry>dynamic</entry>
 745               <entry><option>-fno-do-eta-reduction</option></entry>
 746             </row>
 747
 748             <row>
 749               <entry><option>-fdo-lambda-eta-expansion</option></entry>
 750               <entry>Enable lambda eta-reduction</entry>
 751               <entry>dynamic</entry>
 752               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
 753             </row>
 754
 755             <row>
 756               <entry><option>-fexcess-precision</option></entry>
 757               <entry>Enable excess intermediate precision</entry>
 758               <entry>static</entry>
 759               <entry><option>-fno-excess-precision</option></entry>
 760             </row>
 761
 762             <row>
 763               <entry><option>-frules-off</option></entry>
 764               <entry>Switch off all rewrite rules (including rules
 765               generated by automatic specialisation of overloaded functions)</entry>
 766               <entry>static</entry>
 767               <entry><option>-frules-off</option></entry>
 768             </row>
 769
 770             <row>
 771               <entry><option>-fignore-asserts</option></entry>
 772               <entry>Ignore assertions in the source</entry>
 773               <entry>static</entry>
 774               <entry><option>-fno-ignore-asserts</option></entry>
 775             </row>
 776
 777             <row>
 778               <entry><option>-fignore-interface-pragmas</option></entry>
 779               <entry>Ignore pragmas in interface files</entry>
 780               <entry>static</entry>
 781               <entry><option>-fno-ignore-interface-pragmas</option></entry>
 782             </row>
 783
 784             <row>
 785               <entry><option>-fliberate-case-threshold</option></entry>
 786               <entry>Tweak the liberate-case optimisation (default: 10)</entry>
 787               <entry>static</entry>
 788               <entry><option>-fno-liberate-case-threshold</option></entry>
 789             </row>
 790
 791             <row>
 792               <entry><option>-fomit-interface-pragmas</option></entry>
 793               <entry>Don't generate interface pragmas</entry>
 794               <entry>dynamic</entry>
 795               <entry><option>-fno-omit-interface-pragmas</option></entry>
 796             </row>
 797
 798             <row>
 799               <entry><option>-fmax-worker-args</option></entry>
 800               <entry>If a worker has that many arguments, none will be
 801                 unpacked anymore (default: 10)</entry>
 802               <entry>static</entry>
 803               <entry>-</entry>
 804             </row>
 805
 806             <row>
 807               <entry><option>-fmax-simplifier-iterations</option></entry>
 808               <entry>Set the max iterations for the simplifier</entry>
 809               <entry>dynamic</entry>
 810               <entry>-</entry>
 811             </row>
 812
 813             <row>
 814               <entry><option>-fno-state-hack</option></entry>
 815               <entry>Turn off the "state hack" whereby any lambda with a real-world state token
 816               as argument is considered to be single-entry.  Hence OK to inline things inside it.</entry>
 817               <entry>static</entry>
 818               <entry>-</entry>
 819             </row>
 820
 821             <row>
 822               <entry><option>-fno-cpr</option></entry>
 823               <entry>Turn off CPR analysis</entry>
 824               <entry>static</entry>
 825               <entry>-fcpr</entry>
 826             </row>
 827
 828             <row>
 829               <entry><option>-fno-cse</option></entry>
 830               <entry>Turn off common sub-expression</entry>
 831               <entry>dynamic</entry>
 832               <entry>-</entry>
 833             </row>
 834
 835             <row>
 836               <entry><option>-fno-full-laziness</option></entry>
 837               <entry>Turn off full laziness (floating bindings outwards).  It is on by default.</entry>
 838               <entry>dynamic</entry>
 839               <entry>-ffull-laziness</entry>
 840             </row>
 841
 842             <row>
 843               <entry><option>-fno-pre-inlining</option></entry>
 844               <entry>Turn off pre-inlining</entry>
 845               <entry>static</entry>
 846               <entry>-</entry>
 847             </row>
 848
 849             <row>
 850               <entry><option>-fno-strictness</option></entry>
 851               <entry>Turn off strictness analysis</entry>
 852               <entry>dynamic</entry>
 853               <entry>-</entry>
 854             </row>
 855
 856             <row>
 857               <entry><option>-fnumbers-strict</option></entry>
 858               <entry>Make numbers strict</entry>
 859               <entry>dynamic</entry>
 860               <entry><option>-fno-numbers-strict</option></entry>
 861             </row>
 862
 863             <row>
 864               <entry><option>-funbox-strict-fields</option></entry>
 865               <entry>Flatten strict constructor fields</entry>
 866               <entry>dynamic</entry>
 867               <entry><option>-fno-unbox-strict-fields</option></entry>
 868             </row>
 869
 870             <row>
 871               <entry><option>-funfolding-creation-threshold</option></entry>
 872               <entry>Tweak unfolding settings</entry>
 873               <entry>static</entry>
 874               <entry><option>-fno-unfolding-creation-threshold</option></entry>
 875             </row>
 876
 877             <row>
 878               <entry><option>-funfolding-fun-discount</option></entry>
 879               <entry>Tweak unfolding settings</entry>
 880               <entry>static</entry>
 881               <entry><option>-fno-unfolding-fun-discount</option></entry>
 882             </row>
 883
 884             <row>
 885               <entry><option>-funfolding-keeness-factor</option></entry>
 886               <entry>Tweak unfolding settings</entry>
 887               <entry>static</entry>
 888               <entry><option>-fno-unfolding-keeness-factor</option></entry>
 889             </row>
 890
 891             <row>
 892               <entry><option>-funfolding-update-in-place</option></entry>
 893               <entry>Tweak unfolding settings</entry>
 894               <entry>static</entry>
 895               <entry><option>-fno-unfolding-update-in-place</option></entry>
 896             </row>
 897
 898             <row>
 899               <entry><option>-funfolding-use-threshold</option></entry>
 900               <entry>Tweak unfolding settings</entry>
 901               <entry>static</entry>
 902               <entry><option>-fno-unfolding-use-threshold</option></entry>
 903             </row>
 904           </tbody>
 905         </tgroup>
 906       </informaltable>
 907     </sect2>
 908
 909     <sect2>
 910       <title>Profiling options (<xref linkend="profiling"/>)</title>
 911
 912       <informaltable>
 913         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 914           <thead>
 915             <row>
 916               <entry>Flag</entry>
 917               <entry>Description</entry>
 918               <entry>Static/Dynamic</entry>
 919               <entry>Reverse</entry>
 920             </row>
 921           </thead>
 922           <tbody>
 923             <row>
 924               <entry><option>-auto</option></entry>
 925               <entry>Auto-add <literal>_scc_</literal>s to all
 926               exported functions</entry>
 927               <entry>static</entry>
 928               <entry><option>-no-auto</option></entry>
 929             </row>
 930             <row>
 931               <entry><option>-auto-all</option></entry>
 932               <entry>Auto-add <literal>_scc_</literal>s to all
 933               top-level functions</entry>
 934               <entry>static</entry>
 935               <entry><option>-no-auto-all</option></entry>
 936             </row>
 937             <row>
 938               <entry><option>-auto-dicts</option></entry>
 939               <entry>Auto-add <literal>_scc_</literal>s to all dictionaries</entry>
 940               <entry>static</entry>
 941               <entry><option>-no-auto-dicts</option></entry>
 942             </row>
 943             <row>
 944               <entry><option>-caf-all</option></entry>
 945               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
 946               <entry>static</entry>
 947               <entry><option>-no-caf-all</option></entry>
 948             </row>
 949             <row>
 950               <entry><option>-prof</option></entry>
 951               <entry>Turn on profiling</entry>
 952               <entry>static</entry>
 953               <entry>-</entry>
 954             </row>
 955             <row>
 956               <entry><option>-ticky</option></entry>
 957               <entry>Turn on ticky-ticky profiling</entry>
 958               <entry>static</entry>
 959               <entry>-</entry>
 960             </row>
 961           </tbody>
 962         </tgroup>
 963       </informaltable>
 964     </sect2>
 965
 966     <sect2>
 967       <title>Parallelism options (<xref linkend="sec-using-parallel"/>)</title>
 968
 969       <informaltable>
 970         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 971           <thead>
 972             <row>
 973               <entry>Flag</entry>
 974               <entry>Description</entry>
 975               <entry>Static/Dynamic</entry>
 976               <entry>Reverse</entry>
 977             </row>
 978           </thead>
 979           <tbody>
 980             <row>
 981               <entry><option>-gransim</option></entry>
 982               <entry>Enable GRANSIM</entry>
 983               <entry>static</entry>
 984               <entry>-</entry>
 985             </row>
 986             <row>
 987               <entry><option>-parallel</option></entry>
 988               <entry>Enable Parallel Haskell</entry>
 989               <entry>static</entry>
 990               <entry>-</entry>
 991             </row>
 992             <row>
 993               <entry><option>-smp</option></entry>
 994               <entry>Enable SMP support</entry>
 995               <entry>static</entry>
 996               <entry>-</entry>
 997             </row>
 998           </tbody>
 999         </tgroup>
1000       </informaltable>
1001     </sect2>
1002
1003     <sect2>
1004       <title>C pre-processor options (<xref linkend="c-pre-processor"/>)</title>
1005
1006       <informaltable>
1007         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1008           <thead>
1009             <row>
1010               <entry>Flag</entry>
1011               <entry>Description</entry>
1012               <entry>Static/Dynamic</entry>
1013               <entry>Reverse</entry>
1014             </row>
1015           </thead>
1016           <tbody>
1017             <row>
1018               <entry><option>-cpp</option></entry>
1019               <entry>Run the C pre-processor on Haskell source files</entry>
1020               <entry>dynamic</entry>
1021               <entry>-</entry>
1022             </row>
1023             <row>
1024               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
1025               <entry>Define a symbol in the C pre-processor</entry>
1026               <entry>dynamic</entry>
1027               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1028             </row>
1029             <row>
1030               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1031               <entry>Undefine a symbol in the C pre-processor</entry>
1032               <entry>dynamic</entry>
1033               <entry>-</entry>
1034             </row>
1035             <row>
1036               <entry><option>-I</option><replaceable>dir</replaceable></entry>
1037               <entry>Add <replaceable>dir</replaceable> to the
1038               directory search list for <literal>#include</literal> files</entry>
1039               <entry>static</entry>
1040               <entry>-</entry>
1041             </row>
1042           </tbody>
1043         </tgroup>
1044       </informaltable>
1045     </sect2>
1046
1047     <sect2>
1048       <title>C compiler options (<xref linkend="options-C-compiler"/>)</title>
1049       <informaltable>
1050         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1051           <thead>
1052             <row>
1053               <entry>Flag</entry>
1054               <entry>Description</entry>
1055               <entry>Static/Dynamic</entry>
1056               <entry>Reverse</entry>
1057             </row>
1058           </thead>
1059           <tbody>
1060             <row>
1061               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1062               <entry>Include <replaceable>file</replaceable> when
1063               compiling the <filename>.hc</filename> file</entry>
1064               <entry>dynamic</entry>
1065               <entry>-</entry>
1066             </row>
1067           </tbody>
1068         </tgroup>
1069       </informaltable>
1070     </sect2>
1071
1072     <sect2>
1073       <title>Code generation options (<xref linkend="options-codegen"/>)</title>
1074
1075       <informaltable>
1076         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1077           <thead>
1078             <row>
1079               <entry>Flag</entry>
1080               <entry>Description</entry>
1081               <entry>Static/Dynamic</entry>
1082               <entry>Reverse</entry>
1083             </row>
1084           </thead>
1085           <tbody>
1086             <row>
1087               <entry><option>-fasm</option></entry>
1088               <entry>Use the native code generator</entry>
1089               <entry>dynamic</entry>
1090               <entry>-fvia-C</entry>
1091             </row>
1092             <row>
1093               <entry><option>-fvia-C</option></entry>
1094               <entry>Compile via C</entry>
1095               <entry>dynamic</entry>
1096               <entry>-fasm</entry>
1097             </row>
1098             <row>
1099               <entry><option>-fno-code</option></entry>
1100               <entry>Omit code generation</entry>
1101               <entry>static</entry>
1102               <entry>-</entry>
1103             </row>
1104           </tbody>
1105         </tgroup>
1106       </informaltable>
1107     </sect2>
1108
1109     <sect2>
1110       <title>Linking options (<xref linkend="options-linker"/>)</title>
1111
1112       <informaltable>
1113         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1114           <thead>
1115             <row>
1116               <entry>Flag</entry>
1117               <entry>Description</entry>
1118               <entry>Static/Dynamic</entry>
1119               <entry>Reverse</entry>
1120             </row>
1121           </thead>
1122           <tbody>
1123             <row>
1124               <entry><option>-dynamic</option></entry>
1125               <entry>Use dynamic Haskell libraries (if available)</entry>
1126               <entry>static</entry>
1127               <entry>-</entry>
1128             </row>
1129             <row>
1130               <entry><option>-framework</option> <replaceable>name</replaceable></entry>
1131               <entry>On Darwin/MacOS X only, link in the framework <replaceable>name</replaceable>.
1132                 This option corresponds to the <option>-framework</option> option for Apple's Linker.</entry>
1133               <entry>static</entry>
1134               <entry>-</entry>
1135             </row>
1136             <row>
1137               <entry><option>-framework-path</option> <replaceable>name</replaceable></entry>
1138               <entry>On Darwin/MacOS X only, add <replaceable>dir</replaceable> to the list of
1139                 directories searched for frameworks.
1140                 This option corresponds to the <option>-F</option> option for Apple's Linker.</entry>
1141               <entry>static</entry>
1142               <entry>-</entry>
1143             </row>
1144             <row>
1145               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1146               <entry>Link in library <replaceable>lib</replaceable></entry>
1147               <entry>static</entry>
1148               <entry>-</entry>
1149             </row>
1150             <row>
1151               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1152               <entry>Add <replaceable>dir</replaceable> to the list of
1153               directories searched for libraries</entry>
1154               <entry>static</entry>
1155               <entry>-</entry>
1156             </row>
1157             <row>
1158               <entry><option>-main-is</option></entry>
1159               <entry>Set main function</entry>
1160               <entry>static</entry>
1161               <entry>-</entry>
1162             </row>
1163             <row>
1164               <entry><option>-no-hs-main</option></entry>
1165               <entry>Don't assume this program contains <literal>main</literal></entry>
1166               <entry>static</entry>
1167               <entry>-</entry>
1168             </row>
1169             <row>
1170               <entry><option>-no-link</option></entry>
1171               <entry>Omit linking</entry>
1172               <entry>static</entry>
1173               <entry>-</entry>
1174             </row>
1175             <row>
1176               <entry><option>-package</option> <replaceable>name</replaceable></entry>
1177               <entry>Link in package <replaceable>name</replaceable></entry>
1178               <entry>static</entry>
1179               <entry>-</entry>
1180             </row>
1181             <row>
1182               <entry><option>-split-objs</option></entry>
1183               <entry>Split objects (for libraries)</entry>
1184               <entry>static</entry>
1185               <entry>-</entry>
1186             </row>
1187             <row>
1188               <entry><option>-static</option></entry>
1189               <entry>Use static Haskell libraries</entry>
1190               <entry>static</entry>
1191               <entry>-</entry>
1192             </row>
1193             <row>
1194               <entry><option>-threaded</option></entry>
1195               <entry>Use the threaded runtime</entry>
1196               <entry>static</entry>
1197               <entry>-</entry>
1198             </row>
1199             <row>
1200               <entry><option>-debug</option></entry>
1201               <entry>Use the debugging runtime</entry>
1202               <entry>static</entry>
1203               <entry>-</entry>
1204             </row>
1205           </tbody>
1206         </tgroup>
1207       </informaltable>
1208     </sect2>
1209
1210     <sect2>
1211       <title>Replacing phases (<xref linkend="replacing-phases"/>)</title>
1212
1213       <informaltable>
1214         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1215           <thead>
1216             <row>
1217               <entry>Flag</entry>
1218               <entry>Description</entry>
1219               <entry>Static/Dynamic</entry>
1220               <entry>Reverse</entry>
1221             </row>
1222           </thead>
1223           <tbody>
1224             <row>
1225               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1226               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1227               <entry>static</entry>
1228               <entry>-</entry>
1229             </row>
1230             <row>
1231               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1232               <entry>Use <replaceable>cmd</replaceable> as the C
1233               pre-processor (with <option>-cpp</option> only)</entry>
1234               <entry>static</entry> <entry>-</entry>
1235             </row>
1236             <row>
1237               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1238               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1239               <entry>static</entry>
1240               <entry>-</entry>
1241             </row>
1242             <row>
1243               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1244               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1245               <entry>static</entry>
1246               <entry>-</entry>
1247             </row>
1248             <row>
1249               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1250               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1251               <entry>static</entry>
1252               <entry>-</entry>
1253             </row>
1254             <row>
1255               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1256               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1257               <entry>static</entry>
1258               <entry>-</entry>
1259             </row>
1260             <row>
1261               <entry><option>-pgmdep</option> <replaceable>cmd</replaceable></entry>
1262               <entry>Use <replaceable>cmd</replaceable> as the dependency generator</entry>
1263               <entry>static</entry>
1264               <entry>-</entry>
1265             </row>
1266             <row>
1267               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1268               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1269               (with <option>-F</option> only)</entry>
1270               <entry>static</entry>
1271               <entry>-</entry>
1272             </row>
1273           </tbody>
1274         </tgroup>
1275       </informaltable>
1276       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1277       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1278       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1279       <indexterm><primary><option>-pgma</option></primary></indexterm>
1280       <indexterm><primary><option>-pgml</option></primary></indexterm>
1281       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1282       <indexterm><primary><option>-pgmdep</option></primary></indexterm>
1283       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1284
1285     </sect2>
1286
1287     <sect2>
1288       <title>Forcing options to particular phases (<xref linkend="forcing-options-through"/>)</title>
1289
1290       <informaltable>
1291         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1292           <thead>
1293             <row>
1294               <entry>Flag</entry>
1295               <entry>Description</entry>
1296               <entry>Static/Dynamic</entry>
1297               <entry>Reverse</entry>
1298             </row>
1299           </thead>
1300           <tbody>
1301             <row>
1302               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1303               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1304               <entry>dynamic</entry>
1305               <entry>-</entry>
1306             </row>
1307             <row>
1308               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1309               <entry>pass <replaceable>option</replaceable> to cpp (with
1310               <option>-cpp</option> only)</entry>
1311               <entry>dynamic</entry>
1312               <entry>-</entry>
1313             </row>
1314             <row>
1315               <entry><option>-optF</option> <replaceable>option</replaceable></entry>
1316               <entry>pass <replaceable>option</replaceable> to the
1317               custom pre-processor</entry>
1318               <entry>dynamic</entry>
1319               <entry>-</entry>
1320             </row>
1321             <row>
1322               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1323               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1324               <entry>dynamic</entry>
1325               <entry>-</entry>
1326             </row>
1327             <row>
1328               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1329               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1330               <entry>dynamic</entry>
1331               <entry>-</entry>
1332             </row>
1333             <row>
1334               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1335               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1336               <entry>static</entry>
1337               <entry>-</entry>
1338             </row>
1339             <row>
1340               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1341               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1342               <entry>static</entry>
1343               <entry>-</entry>
1344             </row>
1345             <row>
1346               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1347               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1348               <entry>static</entry>
1349               <entry>-</entry>
1350             </row>
1351           </tbody>
1352         </tgroup>
1353       </informaltable>
1354     </sect2>
1355
1356     <sect2>
1357       <title>Platform-specific options (<xref linkend="options-platform"/>)</title>
1358
1359       <informaltable>
1360         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1361           <thead>
1362             <row>
1363               <entry>Flag</entry>
1364               <entry>Description</entry>
1365               <entry>Static/Dynamic</entry>
1366               <entry>Reverse</entry>
1367             </row>
1368           </thead>
1369           <tbody>
1370             <row>
1371               <entry><option>-mv8</option></entry>
1372               <entry>(SPARC only) enable version 8 support</entry>
1373               <entry>static</entry>
1374               <entry>-</entry>
1375             </row>
1376             <row>
1377               <entry><option>-monly-[32]-regs</option></entry>
1378               <entry>(x86 only) give some registers back to the C compiler</entry>
1379               <entry>dynamic</entry>
1380               <entry>-</entry>
1381             </row>
1382           </tbody>
1383         </tgroup>
1384       </informaltable>
1385     </sect2>
1386
1387
1388     <sect2>
1389       <title>External core file options (<xref linkend="ext-core"/>)</title>
1390
1391       <informaltable>
1392         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1393           <thead>
1394             <row>
1395               <entry>Flag</entry>
1396               <entry>Description</entry>
1397               <entry>Static/Dynamic</entry>
1398               <entry>Reverse</entry>
1399             </row>
1400           </thead>
1401           <tbody>
1402             <row>
1403               <entry><option>-fext-core</option></entry>
1404               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1405               <entry>static</entry>
1406               <entry>-</entry>
1407             </row>
1408           </tbody>
1409         </tgroup>
1410       </informaltable>
1411     </sect2>
1412
1413
1414     <sect2>
1415       <title>Compiler debugging options (<xref linkend="options-debugging"/>)</title>
1416
1417       <informaltable>
1418         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1419           <thead>
1420             <row>
1421               <entry>Flag</entry>
1422               <entry>Description</entry>
1423               <entry>Static/Dynamic</entry>
1424               <entry>Reverse</entry>
1425             </row>
1426           </thead>
1427           <tbody>
1428             <row>
1429               <entry><option>-dcore-lint</option></entry>
1430               <entry>Turn on internal sanity checking</entry>
1431               <entry>dynamic</entry>
1432               <entry>-</entry>
1433             </row>
1434             <row>
1435               <entry><option>-ddump-absC</option></entry>
1436               <entry>Dump abstract C</entry>
1437               <entry>dynamic</entry>
1438               <entry>-</entry>
1439             </row>
1440             <row>
1441               <entry><option>-ddump-asm</option></entry>
1442               <entry>Dump assembly</entry>
1443               <entry>dynamic</entry>
1444               <entry>-</entry>
1445             </row>
1446             <row>
1447               <entry><option>-ddump-bcos</option></entry>
1448               <entry>Dump interpreter byte code</entry>
1449               <entry>dynamic</entry>
1450               <entry>-</entry>
1451             </row>
1452             <row>
1453               <entry><option>-ddump-cpranal</option></entry>
1454               <entry>Dump output from CPR analysis</entry>
1455               <entry>dynamic</entry>
1456               <entry>-</entry>
1457             </row>
1458             <row>
1459               <entry><option>-ddump-cse</option></entry>
1460               <entry>Dump CSE output</entry>
1461               <entry>dynamic</entry>
1462               <entry>-</entry>
1463             </row>
1464             <row>
1465               <entry><option>-ddump-deriv</option></entry>
1466               <entry>Dump deriving output</entry>
1467               <entry>dynamic</entry>
1468               <entry>-</entry>
1469             </row>
1470             <row>
1471               <entry><option>-ddump-ds</option></entry>
1472               <entry>Dump desugarer output</entry>
1473               <entry>dynamic</entry>
1474               <entry>-</entry>
1475             </row>
1476             <row>
1477               <entry><option>-ddump-flatC</option></entry>
1478               <entry>Dump &ldquo;flat&rdquo; C</entry>
1479               <entry>dynamic</entry>
1480               <entry>-</entry>
1481             </row>
1482             <row>
1483               <entry><option>-ddump-foreign</option></entry>
1484               <entry>Dump <literal>foreign export</literal> stubs</entry>
1485               <entry>dynamic</entry>
1486               <entry>-</entry>
1487             </row>
1488             <row>
1489               <entry><option>-ddump-inlinings</option></entry>
1490               <entry>Dump inlining info</entry>
1491               <entry>dynamic</entry>
1492               <entry>-</entry>
1493             </row>
1494             <row>
1495               <entry><option>-ddump-occur-anal</option></entry>
1496               <entry>Dump occurrence analysis output</entry>
1497               <entry>dynamic</entry>
1498               <entry>-</entry>
1499             </row>
1500             <row>
1501               <entry><option>-ddump-parsed</option></entry>
1502               <entry>Dump parse tree</entry>
1503               <entry>dynamic</entry>
1504               <entry>-</entry>
1505             </row>
1506             <row>
1507               <entry><option>-ddump-realC</option></entry>
1508               <entry>Dump &ldquo;real&rdquo; C</entry>
1509               <entry>dynamic</entry>
1510               <entry>-</entry>
1511             </row>
1512             <row>
1513               <entry><option>-ddump-rn</option></entry>
1514               <entry>Dump renamer output</entry>
1515               <entry>dynamic</entry>
1516               <entry>-</entry>
1517             </row>
1518             <row>
1519               <entry><option>-ddump-rules</option></entry>
1520               <entry>Dump rules</entry>
1521               <entry>dynamic</entry>
1522               <entry>-</entry>
1523             </row>
1524             <row>
1525               <entry><option>-ddump-sat</option></entry>
1526               <entry>Dump saturated output</entry>
1527               <entry>dynamic</entry>
1528               <entry>-</entry>
1529             </row>
1530             <row>
1531               <entry><option>-ddump-simpl</option></entry>
1532               <entry>Dump final simplifier output</entry>
1533               <entry>dynamic</entry>
1534               <entry>-</entry>
1535             </row>
1536             <row>
1537               <entry><option>-ddump-simpl-iterations</option></entry>
1538               <entry>Dump output from each simplifier iteration</entry>
1539               <entry>dynamic</entry>
1540               <entry>-</entry>
1541             </row>
1542             <row>
1543               <entry><option>-ddump-spec</option></entry>
1544               <entry>Dump specialiser output</entry>
1545               <entry>dynamic</entry>
1546               <entry>-</entry>
1547             </row>
1548             <row>
1549               <entry><option>-ddump-stg</option></entry>
1550               <entry>Dump final STG</entry>
1551               <entry>dynamic</entry>
1552               <entry>-</entry>
1553             </row>
1554             <row>
1555               <entry><option>-ddump-stranal</option></entry>
1556               <entry>Dump strictness analyser output</entry>
1557               <entry>dynamic</entry>
1558               <entry>-</entry>
1559             </row>
1560             <row>
1561               <entry><option>-ddump-tc</option></entry>
1562               <entry>Dump typechecker output</entry>
1563               <entry>dynamic</entry>
1564               <entry>-</entry>
1565             </row>
1566             <row>
1567               <entry><option>-ddump-types</option></entry>
1568               <entry>Dump type signatures</entry>
1569               <entry>dynamic</entry>
1570               <entry>-</entry>
1571             </row>
1572             <row>
1573               <entry><option>-ddump-usagesp</option></entry>
1574               <entry>Dump UsageSP analysis output</entry>
1575               <entry>dynamic</entry>
1576               <entry>-</entry>
1577             </row>
1578             <row>
1579               <entry><option>-ddump-worker-wrapper</option></entry>
1580               <entry>Dump worker-wrapper output</entry>
1581               <entry>dynamic</entry>
1582               <entry>-</entry>
1583             </row>
1584             <row>
1585               <entry><option>-ddump-rn-trace</option></entry>
1586               <entry>Trace renamer</entry>
1587               <entry>dynamic</entry>
1588               <entry>-</entry>
1589             </row>
1590             <row>
1591               <entry><option>-ddump-rn-stats</option></entry>
1592               <entry>Renamer stats</entry>
1593               <entry>dynamic</entry>
1594               <entry>-</entry>
1595             </row>
1596             <row>
1597               <entry><option>-ddump-stix</option></entry>
1598               <entry>Native code generator intermediate form</entry>
1599               <entry>dynamic</entry>
1600               <entry>-</entry>
1601             </row>
1602             <row>
1603               <entry><option>-ddump-simpl-stats</option></entry>
1604               <entry>Dump simplifier stats</entry>
1605               <entry>dynamic</entry>
1606               <entry>-</entry>
1607             </row>
1608             <row>
1609               <entry><option>-dppr-debug</option></entry>
1610               <entry>Turn on debug printing (more verbose)</entry>
1611               <entry>static</entry>
1612               <entry>-</entry>
1613             </row>
1614             <row>
1615               <entry><option>-dppr-noprags</option></entry>
1616               <entry>Don't output pragma info in dumps</entry>
1617               <entry>static</entry>
1618               <entry>-</entry>
1619             </row>
1620             <row>
1621               <entry><option>-dppr-user-length</option></entry>
1622               <entry>Set the depth for printing expressions in error msgs</entry>
1623               <entry>static</entry>
1624               <entry>-</entry>
1625             </row>
1626             <row>
1627               <entry><option>-dsource-stats</option></entry>
1628               <entry>Dump haskell source stats</entry>
1629               <entry>dynamic</entry>
1630               <entry>-</entry>
1631             </row>
1632             <row>
1633               <entry><option>-dstg-lint</option></entry>
1634               <entry>STG pass sanity checking</entry>
1635               <entry>dynamic</entry>
1636               <entry>-</entry>
1637             </row>
1638             <row>
1639               <entry><option>-dstg-stats</option></entry>
1640               <entry>Dump STG stats</entry>
1641               <entry>dynamic</entry>
1642               <entry>-</entry>
1643             </row>
1644             <row>
1645               <entry><option>-dusagesp-lint</option></entry>
1646               <entry>UsageSP sanity checker</entry>
1647               <entry>dynamic</entry>
1648               <entry>-</entry>
1649             </row>
1650             <row>
1651               <entry><option>-dverbose-core2core</option></entry>
1652               <entry>Show output from each core-to-core pass</entry>
1653               <entry>dynamic</entry>
1654               <entry>-</entry>
1655             </row>
1656             <row>
1657               <entry><option>-dverbose-stg2stg</option></entry>
1658               <entry>Show output from each STG-to-STG pass</entry>
1659               <entry>dynamic</entry>
1660               <entry>-</entry>
1661             </row>
1662             <row>
1663               <entry><option>-unreg</option></entry>
1664               <entry>Enable unregisterised compilation</entry>
1665               <entry>static</entry>
1666               <entry>-</entry>
1667             </row>
1668           </tbody>
1669         </tgroup>
1670       </informaltable>
1671     </sect2>
1672
1673     <sect2>
1674       <title>Misc compiler options</title>
1675
1676       <informaltable>
1677         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1678           <thead>
1679             <row>
1680               <entry>Flag</entry>
1681               <entry>Description</entry>
1682               <entry>Static/Dynamic</entry>
1683               <entry>Reverse</entry>
1684             </row>
1685           </thead>
1686           <tbody>
1687             <row>
1688               <entry><option>-femit-extern-decls</option></entry>
1689               <entry>???</entry>
1690               <entry>static</entry>
1691               <entry>-</entry>
1692             </row>
1693             <row>
1694               <entry><option>-fglobalise-toplev-names</option></entry>
1695               <entry>Make all top-level names global (for <option>-split-objs</option>)</entry>
1696               <entry>static</entry>
1697               <entry>-</entry>
1698             </row>
1699             <row>
1700               <entry><option>-fno-hi-version-check</option></entry>
1701               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
1702               <entry>static</entry>
1703               <entry>-</entry>
1704             </row>
1705             <row>
1706               <entry><option>-dno-black-holing</option></entry>
1707               <entry>Turn off black holing (probably doesn't work)</entry>
1708               <entry>static</entry>
1709               <entry>-</entry>
1710             </row>
1711             <row>
1712               <entry><option>-fno-method-sharing</option></entry>
1713               <entry>Don't share specialisations of overloaded functions</entry>
1714               <entry>static</entry>
1715               <entry>-</entry>
1716             </row>
1717             <row>
1718               <entry><option>-fno-prune-decls</option></entry>
1719               <entry>Renamer: don't prune declarations</entry>
1720               <entry>static</entry>
1721               <entry>-</entry>
1722             </row>
1723             <row>
1724               <entry><option>-fhistory-size</option></entry>
1725               <entry>Set simplification history size</entry>
1726               <entry>static</entry>
1727               <entry>-</entry>
1728             </row>
1729             <row>
1730               <entry><option>-funregisterised</option></entry>
1731               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
1732               <entry>static</entry>
1733               <entry>-</entry>
1734             </row>
1735             <row>
1736               <entry><option>-fno-asm-mangling</option></entry>
1737               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
1738               <entry>static</entry>
1739               <entry>-</entry>
1740             </row>
1741           </tbody>
1742         </tgroup>
1743       </informaltable>
1744     </sect2>
1745   </sect1>
1746
1747
1748 <!--
1749 Still to document:
1750
1751 Misc:
1752   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
1753   ,  ( "Rghc-timing"       , NoArg  (enableTimingStats) )
1754
1755   -Bdir
1756 -->
1757
1758 <!-- Emacs stuff:
1759      ;;; Local Variables: ***
1760      ;;; mode: xml ***
1761      ;;; sgml-parent-document: ("users_guide.xml" "book" "chapter") ***
1762      ;;; End: ***
1763  -->